- handle 1-d array
- handle 1-d array

google-code-export/pysal,google-code-export/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,pombreda/pysal,Alwnikrotikz/pysal,google-code-export/pysal,tectronics/pysal,pombreda/pysal,AlanZatarain/pysal,tectronics/pysal,google-code-export/pysal,Alwnikrotikz/pysal,tectronics/pysal,pombreda/pysal,AlanZatarain/pysal,pombreda/pysal